Name____________________ Matter Heterogeneous matter Homogeneous matter Solutions Mixtures Compounds* Pure Substances Elements* * show difference between Al and steel with magnet and how one is cpd and other is an element. -DefinitionsHeterogeneous Matter- matter that has identical properties throughout Homogeneous Matter- Matter that has parts with different properties Solutions- is a homogeneous mixture composed of one or more substances, known as solutes, dissolved in another substance, known as a solvent. Pure Substances- Homogeneous matter Compounds- a chemical substance consisting of two or more different chemically bonded elements Elements- a substance that cannot be decomposed or transformed into other chemical substances by ordinary chemical processes. Name____________________ Mixtures- mixing of chemical substances like elements and compounds, without chemical bonding or other chemical changing them In this part of the activity classify the items at your lab table Salad dressing Italian- Heterogeneous Mixture Ranch- Homogenous Matter Salt water 50 grams of salt- Heterogeneous matter, mixture, super saturated solution 5 grams of salt- solution Liquid nitrogen- pure substance, element Sodium Benzoate – pure substance, compound C6H5COONa Tap water- Homogeneous matter, solution (Na+, Ca+, Cl- ions) HPLC grate (Nano particle filtered) water- Homogeneous matter, pure substance, compound (just H20, no ions) Salt- pure substance, compound Pure Sodium (Na)- pure substance, element (Not actually in the class) Name____________________